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21.
Paniagua Jordi Villó Cristina Escrivà-Beltran Maria 《Research in higher education》2022,63(6):1037-1057
Research in Higher Education - The international expansion of higher education has intensified in recent decades with a rapidly growing number of international branch campuses appearing on the... 相似文献
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Antonio García-Hermoso Yasmin Ezzatvar Robinson Ramírez-Vlez Jordi Olloquequi Mikel Izquierdo 《运动与健康科学(英文)》2021,10(3):296
ObjectiveThis study sought to analyze the prospective association between vigorous-intensity physical activity (VPA) and health-related outcomes in children and adolescents.MethodsStudies reporting associations between device-measured VPA and health-related factors in children and adolescents aged 3–18 years were identified through database searches (MEDLINE, EMBASE, and SPORTDiscus). Correlation coefficients were pooled if outcomes were reported by at least 3 studies, using DerSimonian-Laird random effects models.ResultsData from 23 studies including 13,674 participants were pooled using random effects models. Significant associations were found between VPA at baseline and overall adiposity (r = −0.09, 95% confidence interval (95%CI): –0.15 to –0.03; p = 0.002; I2 = 89.8%), cardiometabolic risk score (r = –0.13, 95%CI: –0.24 to –0.02, p = 0.020; I2 = 69.6%), cardiorespiratory fitness (r = 0.25, 95%CI: 0.15−0.35; p < 0.001; I2 = 57.2%), and total body bone mineral density (r = 0.16, 95%CI: 0.06 to 0.25; p = 0.001; I2 = 0%).ConclusionVPA seems to be negatively related to adiposity and cardiometabolic risk score and positively related to cardiorespiratory fitness and total body bone mineral density among children and adolescents at follow-up. Therefore, our findings support the need to strengthen physical activity recommendations regarding VPA due to its health benefits in children and adolescents. 相似文献
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The Catabacteriaceae is a new bacterial family with a unique member: Catabacter hongkongensis is a strictly anaerobic, non-sporulating, Gram-positive coccobacillus that is phylogenetically related to some clostridial clusters. Little is known of its epidemiology and environmental distribution, but the inclusion of its 16S rRNA gene sequence in GenBank has allowed it to be detected qualitatively. As a first approach for prospective surveys, a real-time polymerase chain reaction (PCR) procedure to identify C. hongkongensis has been developed. The presence of Catabacteriaceae in 29 water bodies subjected to possible human or animal impact has been investigated. Four of them were positive. The results confirm that highly polluted water can contain C. hongkongensis. 相似文献
24.
Helem Sabina Sánchez Damiano Rotondo Teresa Escobet Vicenç Puig Jordi Saludes Joseba Quevedo 《Journal of The Franklin Institute》2019,356(5):2798-2824
This paper proposes a frequency-based approach for the detection of replay attacks affecting cyber-physical systems (CPS). In particular, the method employs a sinusoidal signal with a time-varying frequency (authentication signal) into the closed-loop system and checks whether the time profile of the frequency components in the output signal are compatible with the authentication signal or not. In order to carry out this target, the couplings between inputs and outputs are eliminated using a dynamic decoupling technique based on vector fitting. In this way, a signature introduced on a specific input channel will affect only the output that is selected to be associated with that input, which is a property that can be exploited to determine which channels are being affected. A bank of band-pass filters is used to generate signals whose energies can be compared to reconstruct an estimation of the time-varying frequency profile. By matching the known frequency profile with its estimation, the detector can provide the information about whether a replay attack is being carried out or not. The design of the signal generator and the detector are thoroughly discussed, and an example based on a quadruple-tank process is used to show the application and effectiveness of the proposed method. 相似文献
25.
The aim of this article was to analyse the initiative FC Barcelona Peace Tour 2013, in Israel and Palestine. This research is based on lengthy interviews with people associated with the initiative and the use of primary sources, both institutional and journalistic. Secondary sources have also been used, such as journalistic accounts of the initiative. The article thus examines the nature of FC Barcelona Peace Tour 2013, which it defines as an exercise in sports diplomacy, inspired by civil society and articulated through the club. The article concludes that FC Barcelona has been able to act as a mediator between two opposed communities due to the universal values linked to its brand and its nature as a ‘civil religion’. This notwithstanding, the political problems that arose during the planning of the initiative highlight the geopolitical complexity of the Middle East and, by extension, the limits of sports diplomacy. 相似文献
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Andrew Wilkins Jordi Collet-Sabé Brad Gobby Judith Hangartner 《Globalisation, Societies & Education》2019,17(2):147-160
Despite the prevalence of corporate and performative models of school governance within and across different education systems, there are various cases of uneven, hybrid expressions of New Public Management (NPM) that reveal the contingency of global patterns of rule. Adopting a ‘decentred approach’ to governance (Bevir, M. 2010. “Rethinking Governmentality: Towards Genealogies of Governance.” European Journal of Social Theory 13 (4): 423–441), this paper compares the development of NPM in four OECD countries: Australia, England, Spain, and Switzerland. A focus of the paper is how certain policy instruments are created and sustained within highly differentiated geo-political settings and through different multi-scalar actors and authorities yet modified to reflect established traditions and practices. 相似文献
28.
Ángel Borrego Jordi Ardanuy Cristóbal Urbano 《The Journal of Academic Librarianship》2018,44(5):663-670
Academic libraries are increasingly called upon to demonstrate their value to their home institutions. Research collaboration with faculty resulting in the co-authorship of scholarly output is one possible way to demonstrate the alignment of the library with the institutional mission. Involvement in research also improves librarians' skills in offering research support services. This study explores the contribution of librarians to scholarly journals in fields other than Library and Information Science (LIS) as well as their collaboration practices with researchers in those fields. Results show an increasing number of papers published by library-affiliated authors in non-LIS journals between 2006 and 2015. The papers fall broadly into four areas: articles on topics related to LIS published in non-LIS journals; higher education and information literacy; systematic reviews and meta-analysis; and research collaboration in the faculty's areas of expertise. The study is limited by the difficulty in properly retrieving the scholarly output of librarians from bibliographic databases and the difficulty in ascertaining their contributions to published articles. 相似文献
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M.a Victoria G. Armendáriz Carmen Azcárate Jordi Deulofeu 《Infancia y Aprendizaje》2013,36(62-63):77-99
ResumenEn la primera parte se presenta una aproximación a la Didáctica de las Matemáticas como una disciplina autónoma, interdisciplinar, con un campo teórico y práctico propio, en fase de desarrollo. Seguidamente se describen las características de los planteamientos didácticos de la educación matemática en los últimos 30 años, poniendo de relieve las claves psicológicas que están informando las distintas tendencias. Finalmente se resumen las líneas de trabajo que hoy se perfilan dentro de la investigación en Didáctica de las Matemáticas, con especial mención de los trabajos dedicados a los procesos cognitivos implicados en el aprendizaje de conceptos matemáticos, con breves referencias al estudio del comportamiento matemático y del aprendizaje de las Matemáticas desde una perspectiva social. 相似文献
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Leonardo Martín Pérez Francesc Codony Daniela López Leyton Mariana Fittipaldi Bárbara Adrados Jordi Morató 《Journal of Zhejiang University. Science. B》2010,11(1):27-29
Helicobacter pylori are ubiquitous Gram-negative bacteria with a high estimated level of infection in the world populations, but a majority of
the infected persons are asymptomatic. This pathogen has been classified by the World Health Organization as a class I carcinogen
and recognized as the causal agent of most peptic ulcers and chronic gastritis that might lead to stomach cancer. Although
not all the transmission pathways of these bacteria into humans have been properly identified, enough data have suggested
that the oral-oral or fecal-oral ones are the main infection routes. Helicobacter pylori have been detected in non-treated water and in drinking water, which suggested that water might be an important infection
source. As childhood is the critical period of infection, the aim of the present work was to examine the presence of Helicobacter pylori in soil samples from public playing areas of Spanish parks. 相似文献